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How to install Gmail MCP in Gemini CLI
Gemini CLI was replaced by Antigravity CLI in June 2026. On an enterprise licence or paid API key you can still install Gmail MCP by running "gemini mcp add gmail-mcp npx -y @afftar/gmail-mcp", then type /mcp to check it.
Built from the published package · server updated 1 month ago
- 1
Run the install command
In a terminal, run:
gemini mcp add gmail-mcp npx -y @afftar/gmail-mcp - 2
Check it
Inside Gemini CLI, type /mcp to list servers and tools.
MCP servers run with your permissions. If Gmail MCP needs an API key, add it under env in the config. Check its README.
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Questions
Does Gmail MCP work in Gemini CLI?
Yes. Gemini CLI supports local and remote mcp servers, extensions (legacy), and Gmail MCP installs with the steps above.
Gmail MCP does not show up in Gemini CLI. What now?
Restart Gemini CLI fully, check the JSON is valid, and make sure Node.js (for npx) is installed. See common MCP errors and fixes.
Is Gmail MCP safe?
It scores 58 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.